CJ5Z-9350-B
BOSCH CJ5Z-9350-B Pompa Alta Pressione Ford Escape Focus ST 2.0L
0261520140, 0261520141, LR025599, GDP204Integrated High-Speed Digital Flow Control Solenoid-150 barApplicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| Ford Focus ST / Escape | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2013-2019 |
| Ford Fusion / Explorer | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2012-2020 |
| Land Rover Range Rover Evoque | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2012-2017 |
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Tipo di sistema | Ford EcoBoost 150-bar High-Pressure Direct Injection System |
| Pressione di esercizioSpecifica Chiave | |
| Pump Mechanism | Camshaft Multi-Lobe Actuated Single-Piston Plunger Pump |
| Mounting Flange Bolt Torque | 13 N·m (115 in-lb) flange bolts |
| FUEL LINE NUT TORQUE | 28 N·m (21 lb-ft) high-pressure delivery pipe flare nut |
| Drive Interface | Roller Tappet Bucket Lifter with Hardened Surface |
| Flow Control Solenoid | Integrated 12V Pulse-Width Modulated Solenoid Actuator |
| Manufacturer | Bosch (Tier-1 OEM for Ford Motor Company) |
| Bosch Production Number | 0261520140 / 0261520141 |
Pompa alta pressione abbinata (Gruppo circuito carburante)
Funziona sullo stesso circuito ad alta pressione Common Rail. In caso di bassa pressione rail (P0087), verificare la portata della pompa prima di sostituire gli iniettori.
Istruzioni di montaggio
- Always replace the roller tappet: A worn or flat-spotted roller tappet will destroy the exhaust camshaft driving lobe, requiring complete camshaft replacement.
- Never reuse single-use high-pressure fuel pipe: Ford factory service directives require replacement of the flared steel delivery pipe whenever loosened.
- Verify low-pressure lift pump delivery: A weak tank lift pump (under 50 psi) starves the HPFP, causing cavitation and false pump failure codes.
- Inspect engine oil for fuel odor: A leaking pump plunger seal allows raw fuel into the cylinder head, diluting oil and risking turbocharger bearing failure.
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.